/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/Collision/PBDCollisionConstraintHandle.h
typedef TPair< [FImplicitPair](API\Runtime\Chaos\Chaos\Collision\FPBDCollisionConstraintHandle\FImplicitPair), [FGeometryPair](API\Runtime\Chaos\Chaos\Collision\FPBDCollisionConstraintHandle\FGeometryPair) > FHandleKey